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Related Experiment Video

Updated: Jun 30, 2026

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery

Published on: May 4, 2022

Endoscopic navigation for minimally invasive suturing.

Christian Wengert¹, Lukas Bossard, Charles Baur

¹Computer Vision Laboratory, ETH Zurich, Zurich, Switzerland. wengert@vision.ee.ethz.ch

Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery

|September 30, 2008

Summary

This summary is machine-generated.

This study introduces a novel endoscopic technique to improve surgical precision. It enhances 3D depth perception for manipulating small surgical instruments, aiding less experienced surgeons.

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Area of Science:

Minimally Invasive Surgery
Surgical Navigation
Medical Imaging

Background:

Surgeons face challenges with 3D depth perception when manipulating small objects during minimally invasive surgery.
Traditional navigation methods often lack effectiveness or increase invasiveness for these tasks.

Purpose of the Study:

To develop an approach using standard endoscopes for tracking surgical instruments.
To provide surgeons with enhanced 3D visual cues for improved instrument manipulation and tissue suturing.

Main Methods:

Utilized a standard endoscope as a tracking device to determine the pose of surgical objects, exemplified by a suturing needle.
Generated artificial 3D cues on a 2D screen based on the tracked object's pose.
Integrated external tracking for world coordinate system tracking and intraoperative 3D surface reconstruction for visual navigation aids.

Main Results:

Successfully demonstrated the endoscope's capability to track a suturing needle's pose.
Generated artificial 3D cues that provide visual support for surgical tasks.
Enabled direct tracking of the suturing needle in the world coordinate system when an external tracker is used.

Conclusions:

The proposed endoscopic approach effectively enhances 3D depth perception for manipulating small surgical instruments.
This method offers a less invasive and more supportive navigation solution for surgeons, particularly those with less experience.
The system can be augmented with external tracking and 3D surface reconstruction for advanced surgical navigation.